![background image](http://html1.mh-extra.com/html/graco/promix-2ks/promix-2ks_operation-manuals_2251152083.webp)
Alarm Troubleshooting
312776K
83
Alarm Troubleshooting
Table 11. Alarm Troubleshooting
E-1: COMM ERROR
Cause
Solution
No power to the EasyKey.
Connect power to EasyKey.
No power to Fluid Station. The intrinsically safe power
cable between the EasyKey and Fluid Station is not con-
nected.
Verify that the cable is correctly connected. See Installa-
tion manual.
No power to Fluid Station. The fluid control board fuse is
blown.
Verify condition of fuse and replace if necessary. See
Repair-Parts manual.
The fiber optic cable between the EasyKey and Fluid
Station is not connected.
Verify that the cable is correctly connected. See Installa-
tion manual.
The fiber optic cable is cut or bent.
Verify that the cable has not been cut or bent at a radius
smaller than 1.6 in. (40 mm).
Dirty fiber optic cable ends.
Disconnect fiber optic cable ends and clean with a
lint-free cloth.
A communication cable or connector failed.
Replace cable.
E-2: POTLIFE ALARM
Cause
Solution
The potlife time has been exceeded for the mixed mate-
rial.
Press the Alarm Reset
key to stop the audible
alarm. Purge the system with solvent, fresh mixed mate-
rial, or a new color:
•
Solvent Purge -
See
Purging Mixed Material
on
page 61. The system purges until the preset purge
time is complete.
•
New Mixed Material Purge -
Go to Mix mode and
spray the required volume to restart the timer.
•
Color Change -
Perform a color change, page 69.
NOTICE
To prevent mixed material from curing in the equip-
ment, do not shut off power. Follow one of the solu-
tions at right.